First, Sadun and her colleagues found a big difference in productivity based on how a CEO spent those additional hours.

首先，萨顿和她的同事们发现，CEO利用额外工作时间的方式不同，所获得的生产效率也存在较大差异。

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Research was conducted by Nicholas Bloom of Stanford University, Rafaella Sadun of the Harvard Business School, and John Van Reenen of the London School of Economics.

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The iPhone Dev Team has accused him of stealing their code to create the program, and many in the hacker community instead credit Erica Sadun, a blogger for the Unofficial Apple Weblog.

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Raffaella Sadun, of the London School of Economics, has found that supermarket chains, denied an out-of-town site, are more likely to set up in town centres themselves, bringing the battle straight to the high street.

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